Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207990 | High frequency noise filtering earplug using metasurface | Hyung Keun Chung | 2025-01-28 |
| 10609910 | Contra-rotating multi-layer propeller unit for multi-phase flow | Dae-Han Kim | 2020-04-07 |
| 9424631 | Device and method for calculating dynamic variation of object | Yongnam Song, Seung Woo Park, Zamiri Ali | 2016-08-23 |